Home / 51,892.84-77,831.70-16,827.40

Finding the Fourth Proportional to 51,892.84, 77,831.70 and 16,827.40

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Solution

The fourth proportional to 51,892.84, 77,831.70 and 16,827.40 is: 25,238.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,892.84 : 77,831.70 = 16,827.40 : x
  2. Step 2: Convert to fraction form
    51,892.84/77,831.70 = 16,827.40/x
  3. Step 3: Cross multiply
    51,892.84x = 77,831.70 × 16,827.40
  4. Step 4: Simplify right side
    51,892.84x = 1,309,705,148.58
  5. Step 5: Solve for x
    x = 1,309,705,148.58/51,892.84
  6. Step 6: Final answer
    x = 25,238.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.